May weather forecast
Charlotte Hall, MD

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Weather in May

May, the last month of the spring in Charlotte Hall, is a pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 58.1°F (14.5°C).

Temperature

May's arrival is noted with a slight increase in the average high-temperature, moving from a refreshing 63.5°F (17.5°C) in April to an agreeable 72.1°F (22.3°C). Charlotte Hall throughout May, records an average low-temperature of 58.1°F (14.5°C).

Humidity

May is the most humid month, with an average relative humidity of 79%.

Rainfall

In Charlotte Hall, during May, the rain falls for 17.1 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 158.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

In Charlotte Hall, snow does not fall in April through October.

Daylight

The average length of the day in May is 14h and 17min.
On the first day of May, sunrise is at 6:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Charlotte Hall, is 72.1°F (22.3°C), while the low-temperature averages to 58.1°F (14.5°C).

What is the most humid month?

With an average relative humidity of 79%, May is the most humid month.

What is the average humidity in May?

In Charlotte Hall, the average relative humidity in May is 79%.

How much does it rain in May?

In May, the rain falls for 17.1 days. Throughout May, 3.03" (77mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Charlotte Hall have in May?

In Charlotte Hall, the average day length in May is 14h and 17min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Charlotte Hall have in May?

The average sunshine duration in May is 9h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May?

The average daily maximum UV index in May in Charlotte Hall is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Charlotte Hall, MD

Average temperature in May - Charlotte Hall, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in May
Charlotte Hall, MD

Average pressure in May - Charlotte Hall, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Charlotte Hall, MD

Average wind speed in May - Charlotte Hall, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in May
Charlotte Hall, MD

Average humidity in May - Charlotte Hall, MD
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (72%).

Average rainfall in May
Charlotte Hall, MD

Average rainfall in May - Charlotte Hall, MD
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in May
Charlotte Hall, MD

Average rainfall days in May - Charlotte Hall, MD
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in May
Charlotte Hall, MD

Average snowfall in May - Charlotte Hall, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Charlotte Hall, MD

Average snowfall days in May - Charlotte Hall, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Charlotte Hall, MD

Average daylight in May / Average sunshine in May - Charlotte Hall, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
Charlotte Hall, MD

Average sunshine days in May - Charlotte Hall, MD
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in May
Charlotte Hall, MD

Average UV index in May - Charlotte Hall, MD
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in May
Charlotte Hall, MD

Average cloud cover in May - Charlotte Hall, MD
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Charlotte Hall, MD

Average visibility in May - Charlotte Hall, MD
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Charlotte Hall, Maryland, USA

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